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Open-Access Journal
Review
Igor Braga Ribeiro, Diogo Turiani Hourneaux de Moura, Christopher C Thompson, Eduardo Guimarães Hourneaux de Moura 
World J Gastrointest Endosc 11(3):193-208. Published online Mar 16, 2019. doi: 10.4253/wjge.v11.i3.193
Minireviews
Retrospective Study
Tadayuki Takagi, Mitsuru Sugimoto, Rei Suzuki, Naoki Konno, Hiroyuki Asama, Yuki Sato, Hiroki Irie, Ko Watanabe, Jun Nakamura, Hitomi Kikuchi, Mika Takasumi, Minami Hashimoto, Takuto Hikichi, Hiromasa Ohira 
World J Gastrointest Endosc 11(3):231-238. Published online Mar 16, 2019. doi: 10.4253/wjge.v11.i3.231
Meta-Analysis
Mileine Valente de Matos, Alberto Machado da Ponte-Neto, Diogo Turiani Hourneaux de Moura, Ethan Dwane Maahs, Dalton Marques Chaves, Elisa Ryoka Baba, Edson Ide, Rubens Sallum, Wanderley Marques Bernardo, Eduardo Guimarães Hourneaux de Moura 
World J Gastrointest Endosc 11(3):239-248. Published online Mar 16, 2019. doi: 10.4253/wjge.v11.i3.239
Case Report
Ryan Sung-Eun Cho, John Magulick, Shelby Madden, James Steven Burdick 
World J Gastrointest Endosc 11(3):256-261. Published online Mar 16, 2019. doi: 10.4253/wjge.v11.i3.256